| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Grove | BOS | 6.21 | 193805150_MIN_BOS |
| Van Mungo | LAN | 4.55 | 193805150_ATL_LAN |
| Lou Fette | ATL | 1.85 | 193805150_ATL_LAN |
| Peaches Davis | CIN | 1.68 | 193805150_CIN_SLN |
| Monte Pearson | NYA | 1.3 | 193805130_OAK_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Walkup | BAL | -1.98 | 193805130_BAL_DET |
| Wes Ferrell | MIN | -1.6 | 193805130_MIN_BOS |
| Willis Hudlin | CLE | -0.4 | 193805130_CHA_CLE |
| George Gill | DET | -0.33 | 193805130_BAL_DET |
| Lynn Nelson | OAK | -0.27 | 193805140_OAK_NYA |
Based on accumulated WAA for this season up to 1938-05-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.06 | Bob Feller | 50 | CLE |
| +003+ | 2.78 | Lefty Grove | 60 | BOS |
| +005+ | 2.53 | Jack Wilson | 32 | BOS |
| +006+ | 2.42 | Tot Pressnell | 44.3 | LAN |
| +007+ | 2.25 | Dutch Leonard | 49.7 | MIN |
| +008+ | 2.01 | Carl Hubbell | 35 | SFN |
| +010+ | 1.88 | Dizzy Dean | 25.7 | CHN |
| +011+ | 1.82 | Paul Derringer | 47.3 | CIN |
| +012+ | 1.76 | Boots Poffenberger | 23 | DET |
| +015+ | 1.6 | Vern Kennedy | 41.7 | DET |
| +018+ | 1.39 | Bucky Walters | 42 | PHI |
| +020+ | 1.36 | Van Mungo | 38 | LAN |
| +021+ | 1.34 | Red Ruffing | 41.3 | NYA |
| +022+ | 1.31 | Johnny Allen | 38.7 | CLE |
| +023+ | 1.27 | Buck Ross | 34.7 | OAK |
| +024+ | 1.25 | Lynn Nelson | 28 | OAK |
| XXXXX | 1.2 | Cliff Melton | 48 | SFN |
| XXXXX | 1.17 | Ted Lyons | 25 | CHA |
| XXXXX | 1 | Harry Gumbert | 39.7 | SFN |
| XXXXX | 0.99 | Hal Schumacher | 35.3 | SFN |
| XXXXX | 0.93 | Johnny Marcum | 37 | BOS |
| XXXXX | 0.89 | Joe Beggs | 24 | NYA |
| XXXXX | 0.83 | Milt Shoffner | 34.3 | ATL |
| XXXXX | 0.8 | Red Lucas | 23.7 | PIT |
| XXXXX | 0.78 | Spud Chandler | 25 | NYA |
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